Bip39 Words. The passphrase is not really selected within the predefined list of 2048 words – it can be any word or phrase you decide on. BIP39 specifies a list of 2048 words from which the mnemonic phrase is picked out. Each word signifies a number inside a binary sequence, https://freshbookmarking.com/story18785851/bip39-list-https-linktr-ee-bip39-an-unbiased-view-of-bip-39